Home / 76,131.15-105,067.49-44,298.15

Finding the Fourth Proportional to 76,131.15, 105,067.49 and 44,298.15

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Solution

The fourth proportional to 76,131.15, 105,067.49 and 44,298.15 is: 61,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.15 : 105,067.49 = 44,298.15 : x
  2. Step 2: Convert to fraction form
    76,131.15/105,067.49 = 44,298.15/x
  3. Step 3: Cross multiply
    76,131.15x = 105,067.49 × 44,298.15
  4. Step 4: Simplify right side
    76,131.15x = 4,654,295,432.14
  5. Step 5: Solve for x
    x = 4,654,295,432.14/76,131.15
  6. Step 6: Final answer
    x = 61,135.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.